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c718547e4a
PowerISA v3.1 includes new performance monitoring unit(PMU) special purpose registers (SPRs). They are Monitor Mode Control Register 3 (MMCR3) Sampled Instruction Event Register 2 (SIER2) Sampled Instruction Event Register 3 (SIER3) MMCR3 is added for further sampling related configuration control. SIER2/SIER3 are added to provide additional information about the sampled instruction. Patch adds new PPMU flag called "PPMU_ARCH_31" to support handling of these new SPRs, updates the struct thread_struct to include these new SPRs, include MMCR3 in struct mmcr_regs. This is needed to support programming of MMCR3 SPR during event_enable/disable. Patch also adds the sysfs support for the MMCR3 SPR along with SPRN_ macros for these new pmu SPRs. Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com> [mpe: Rename to PPMU_ARCH_31 as noted by jpn] Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/1594996707-3727-5-git-send-email-atrajeev@linux.vnet.ibm.com |
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| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
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| README | ||
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.